The 150 kg block starts from rest and is pulled by motor M. If there is negligible friction on the slope and the force of motor M is F = 750t² N, determine the velocity of block A when t = 1.33 s.
a. 1341.75 m/s
b. 311.25 m/s
c. 187.5 m/s
d. 101.25 m/s